Stay updated with real-time air quality in Northwich, Cheshire West and Chester featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
25
Good
Northwich, Cheshire West and Chester
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.00 μg/m³
0
55
155
255
425
605+
26.55 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
2.52 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Northwich, Cheshire West and Chester
Northwich, Cheshire West and Chester
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AQI 20
Good
3.20μg/m³
PM2.5
6.13μg/m³
PM10
22.37ppb
O3
0.71ppb
SO2
3.02ppb
NO2
0.12ppm
CO
AQI 21
Good
3.15μg/m³
PM2.5
6.49μg/m³
PM10
23.48ppb
O3
0.71ppb
SO2
2.56ppb
NO2
0.12ppm
CO
AQI 22
Good
3.07μg/m³
PM2.5
6.01μg/m³
PM10
23.96ppb
O3
0.71ppb
SO2
2.55ppb
NO2
0.12ppm
CO
AQI 19
Good
3.22μg/m³
PM2.5
5.92μg/m³
PM10
21.29ppb
O3
0.72ppb
SO2
3.03ppb
NO2
0.12ppm
CO
AQI 21
Good
3.19μg/m³
PM2.5
5.74μg/m³
PM10
23.00ppb
O3
0.72ppb
SO2
2.70ppb
NO2
0.12ppm
CO
AQI 21
Good
3.43μg/m³
PM2.5
10.78μg/m³
PM10
22.87ppb
O3
0.71ppb
SO2
4.09ppb
NO2
0.12ppm
CO
Air quality measurements for Cheshire West and Chester, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Northwich, Cheshire West and Chester is updated on an hourly basis.
The worst air quality in Northwich, Cheshire West and Chester was recorded at 05:00:00 on 2026-05-13.
The best air quality in Northwich, Cheshire West and Chester was recorded at 08:00:00 on 2026-05-14.
The real-time air quality index in Northwich, Cheshire West and Chester is 25, currently categorized as Good.
The most common pollutant in Northwich, Cheshire West and Chester is O3.
If the air quality in Northwich, Cheshire West and Chester is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Northwich, Cheshire West and Chester at present are 3.211 μg/m3.
The current PM10 levels in Northwich, Cheshire West and Chester are 6.002 μg/m3.
The current carbon monoxide (CO) level in Northwich, Cheshire West and Chester is 0.108 ppm.
The current sulfur dioxide (SO2) levels in Northwich, Cheshire West and Chester are 0.711 ppb.
The current ozone (O3) levels at Northwich, Cheshire West and Chester is 26.555 ppm.
The current nitrogen dioxide (NO2) levels at Northwich, Cheshire West and Chester is 2.516 ppb.
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